High-risk tools in 1MCP Server

High severity 1MCP Server MCP Server 3 of 17 tools

3 of the 17 tools in 1MCP Server are classified as high risk. This page profiles those tools specifically, with recommended policy actions and the attack patterns that target them.

Every operation listed below is an action PolicyLayer recommends controlling at the transport layer. Open any tool to see the full profile, risk score, and YAML policy snippet.

Tools at high risk

tool_invoke Execute

Execute any tool on any MCP server with proper argument validation
mcp_reload Execute

Reload MCP server or configuration
mcp_install Execute

Install a new MCP server. Use package+command+args for direct package installation (e.g., npm packages), or just name for registry-based installation

Attacks that target this class

High-risk tools in any server share these documented attack patterns. Each links to the full case and the defensive policy.

Destructive Action Autonomy
Runaway Tool Loops
Prompt Injection via Tool Results

High-risk tools in 1MCP Server

Tools at high risk

Attacks that target this class

More on 1MCP Server

Enforce policy on every 1MCP Server tool call.